online CIDR and IP subnet calculator : Check host

52.206.255.0-52.206.255.127
52.206.255.0/25

52.206.192.0-52.206.223.255
52.206.192.0/19

52.206.224.0-52.206.239.255
52.206.224.0/20

52.206.240.0-52.206.247.255
52.206.240.0/21

52.206.248.0-52.206.251.255
52.206.248.0/22

52.206.252.0-52.206.253.255
52.206.252.0/23

52.206.254.0-52.206.254.255
52.206.254.0/24

IP subnet calculator 52.206.192.0-52.206.255.127